GB8825271D0 - Gyro compasses - Google Patents
Gyro compassesInfo
- Publication number
- GB8825271D0 GB8825271D0 GB888825271A GB8825271A GB8825271D0 GB 8825271 D0 GB8825271 D0 GB 8825271D0 GB 888825271 A GB888825271 A GB 888825271A GB 8825271 A GB8825271 A GB 8825271A GB 8825271 D0 GB8825271 D0 GB 8825271D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- gyro compasses
- compasses
- gyro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/12—Gyroscopes
- Y10T74/1229—Gyroscope control
- Y10T74/1232—Erecting
- Y10T74/1254—Erecting by motor torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/12—Gyroscopes
- Y10T74/1289—Horizontal gyroscopes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62272077A JP2551788B2 (en) | 1987-10-28 | 1987-10-28 | Gyro compass |
JP62272076A JP2517320B2 (en) | 1987-10-28 | 1987-10-28 | Gyro compass |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8825271D0 true GB8825271D0 (en) | 1988-11-30 |
GB2211608A GB2211608A (en) | 1989-07-05 |
GB2211608B GB2211608B (en) | 1991-06-19 |
Family
ID=26550016
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8825271A Expired - Lifetime GB2211608B (en) | 1987-10-28 | 1988-10-28 | Gyro compasses |
Country Status (2)
Country | Link |
---|---|
US (1) | US4879918A (en) |
GB (1) | GB2211608B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5272815A (en) * | 1990-11-14 | 1993-12-28 | Tokimec Inc. | Gyro compass |
JP3030788B2 (en) * | 1991-02-21 | 2000-04-10 | 株式会社トキメック | Gyro compass |
US6327922B1 (en) | 1999-11-10 | 2001-12-11 | Chris B. Hewatt | Gyroscopic continuously variable transmission |
US20060221447A1 (en) * | 2005-03-31 | 2006-10-05 | 3M Innovative Properties Company | Stabilized polarizing beam splitter assembly |
US7832297B2 (en) * | 2005-04-19 | 2010-11-16 | Hewatt Chris B | Method and apparatus for gyroscopic propulsion |
US8047047B2 (en) * | 2008-05-16 | 2011-11-01 | Honeywell International Inc. | Inertial sensor misalignment and compensation |
US8061181B2 (en) * | 2008-05-16 | 2011-11-22 | Honeywell International Inc. | Inertial sensor misalignment and compensation |
US20100077860A1 (en) * | 2008-09-30 | 2010-04-01 | Honeywell International Inc. | Systems and methods for integrated isolator and transducer components in an inertial sensor |
GB2495981B (en) * | 2011-10-27 | 2017-02-22 | Thales Holdings Uk Plc | Compass |
US9091541B2 (en) | 2011-10-27 | 2015-07-28 | Thales Holdings Uk Plc | Compass |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1243407B (en) * | 1961-03-11 | 1967-06-29 | Tokyo Keiki Seizosho Company L | Gyrocompass |
US3321841A (en) * | 1963-06-19 | 1967-05-30 | Kabushikikaisha Tokyo Keiki Se | Gyrocompass |
GB1203841A (en) * | 1967-01-13 | 1970-09-03 | Kabushikikaisha Tokyokeiki Sei | Gyroscopic instruments |
US3938256A (en) * | 1970-09-17 | 1976-02-17 | General Electric Company | Quick settling gyrocompass having interaxis decoupling compensation for improved response time |
US3855711A (en) * | 1971-08-10 | 1974-12-24 | Tokyo Keiki Kk | Gyrocompass |
JPS5340102B2 (en) * | 1972-02-12 | 1978-10-25 | ||
US3931747A (en) * | 1974-02-06 | 1976-01-13 | Sperry Rand Corporation | Gyroscopic stable reference device |
-
1988
- 1988-10-27 US US07/363,408 patent/US4879918A/en not_active Expired - Lifetime
- 1988-10-28 GB GB8825271A patent/GB2211608B/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4879918A (en) | 1989-11-14 |
GB2211608A (en) | 1989-07-05 |
GB2211608B (en) | 1991-06-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20031028 |